Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806809 | Rotary shaft coupling device | Kazuhisa Kubota, Hisashi Hirose, Takao Sakakibara, Yasuo Miyake | 1989-02-21 |
SM
Sinzi Mizutani
Overall (All Time): #3,921,476 of 4,157,543Top 95%
1
Patents All Time